EC1 Ch3_WB

Which of the following is not an advantage of cloud computing?

• Users can upgrade the server hardware anytime

• Data can be accessed anywhere via the Internet

• Users only pay for what they need

• Users can change their service plan easily

Which of the following is an advantage of using QR code instead of NFC for mobile phone payment?

• Faster payment

• Prevents identity theft

• Lower transaction fee

• More supported devices

"eHealth" is a mobile application developed by the government to provide free and lifelong electronic health recording service for Hong Kong residents. Which of the following should be considered when implementing this service?

• Ensure medical records are stored in encrypted databases

• Obtain patients' consent before collecting medical records

• Only medical professionals authorised by the patients can access the records

Which of the following fields cannot be empty when sending an email?

• Title

• Recipient/To

• CC

John received the following email. When he uses the "Reply all" function, who will receive his reply?

Title: December Trip Photos

From: [e-mail]

To: [e-mail]

CC: [e-mail]

Dear John,

Please find attached our photos of the December diving trip.

Chris

• [e-mail]

• [e-mail]

• [e-mail]

Hollis sent the following email:

Title: Exam Arrangements

From: [e-mail]

To: [e-mail]

CC: [e-mail]

BCC: [e-mail] ， [e-mail]

Which of the following email addresses can [e-mail] see who this email was sent to?

• [e-mail]

• [e-mail]

• [e-mail]

Which of the following can increase network security during the remote logon session?

• Do not download any file from the remote device

• Only remote login to a computer within the same city

• Use an encrypted connection

• None of the above

Mary decides to send a file to her teacher through instant messaging instead of email. Which of the following is a possible reason for her decision?

• She does not know her teacher's email

• Her teacher's mailbox is full.

• Her email service provider is different from her teacher's.

Which of the following is not an advantage of storing files in cloud storage over portable storage devices?

• Less risk of data loss due to hardware failure

• Able to share files with others via the Internet

• Able to access files anywhere via the Internet

• Can access files using different operating systems

Which of the following is not a good practice when using search engines?

• Viewing at least a few web pages from the search results

• Reading the first web page in the search results only

• Using relevant terms and keywords

• Comparing results from different search engines